🚀 go-pugleaf

In article <434@ethz.UUCP>, wyle@ethz.UUCP writes:
>An unnamed organization uses the following paradigm to pass secure
>information electronically:

PARADIGM?  What PARADIGM?  Sounds like a METHOD to me....

>Random bits, generated from a radioactive source and calibrated counter
>are collected, and distributed by courier to remote sites.
>Messages are encoded via bit-wise exclusive-or, and transmitted via
>non-secure telecommunications.  The destinations use the courier-provided 
>random bits from the key tape to decode the messages.  Each bit is
>discarded after use.  Every few months, a new tape is sent by courier.
>They will, of course, move to optical disk soon to decrease courier
>trips, and allow for increased bandwidth.
>How is the system flawed?  Is it unbreakable?  Couldn't companies
>implement this strategy cost-effectively?

Is this not just an implementation of a "one-time pad"?

>                      M i t c h e l l     F     W y l e
-- 
 -------------------------------    Disclaimer:  The views contained herein are
|            dan levy            |  my own and are not at all those of my em-
|         an engihacker @        |  ployer or the administrator of any computer
| at&t computer systems division |  upon which I may hack.
|        skokie, illinois        |
 --------------------------------   Path: ..!{akgua,homxb,ihnp4,ltuxa,mvuxa,
                                        allegra,ulysses,vax135}!ttrdc!levy